Dump-car.



S. OTIS.

DUMP GAR.

APPLICATION FILED JULY 22, 1905.

1,061,004. 4 Patented May 6, 1913.

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DUMP GAR.

APPLIQATION FILED JULY 22, 1905.

1,061,004. Patented May 6, 1913.

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DUMP GAR. APPL'IQATION FILED JULY 22, 1905.

1 1,004, v PatentedMay 6,1913.

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SI DUMP GAB. APPLICATION FILED JULY 22, 1905.

1,061,004. Patentedma 6,1913.

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S. OTIS.

DUMP GAR.

APPLICATION IILED JULY 22, 1905.

1 1,061,004. Patented May 6, 1913.

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' s. 0TIS.. DUMP GAB. APPLICATION FILED JULY 22, 1905'.

I Patented May 6, 1913. V

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ENE i SPENCER OTIS, OF CHICAGO, ILLINOIS, ASSIGNOR, BY MESNE ASSIGNMENTS, TO

NATIONAL DUMP CAR COMPANY, A. CORPORATION OF MAINE. I

DUMP-CAR.

Application filed Ju1y 22, 1905. Serial No. 270,771.

To all whom 2'25 may concern,- 4

Be it known that I, SPENCER=9TIS, a c1t zen of the United States, residing at Chicago, Illinois, have invented certain new and useful Improvements in Dump-Cars, of which the following isa specification. This invention relates particularly to that class of dump cars knowni in the art as multi-service cars, that is,gcars which can be used for the purpose of carlrying one kind of freight during one trip of; season of the year, and other kinds of freight during other trips or seasons of the year.

The invention relates further to 'an inclosed dumping carthat is, a car preferably of the stock car type, which has partially inclosed side and end portions in which stock maybe carried at one season of the year or during one trip, and in which coke,-coal, or similar material may be carried during other trips or seasons of'the year and be protected from pilferers during its transportationall of which w1ll be understood and appreciated by those skilled 1n the art.

The principal object of the invention is to provide a simple, economical and eflicient stock car with a dumping bottom and other mechanisms, as hereinafter set forth.

Other and further objects of the inven tion will appear from an examination of the drawings and thefollowing description and claims.

The invention consists principally in a dump car in which there are combined a support-ing'frame portion provided with an .odd number of dumping spaces forming an open dumping space at the transverse cen ter of the car, and a dumping bottom portion formed of aplurality of swinging sec tions pivotally secured to the framework of the car and in the spaces-between the cross sills. The invention consists further, and finally, in the features, combinations and details of construction hereinafter described and claimed. 4

.In the accompanying drawings-Figure 1 is an elevation of one end'of a car, as it appears when constructed in .accordance with these improvements; Fig. 2 an end view of a car, as it appears when constructed in accordance with these improvements;

Figs. 2, 2", 2, 2, 2 and 2 are details of the operating rod and latch mechanisms;

Specification of Letters Patent.

Patented May c, 191 3.

Fig. 3 an enlarged cross sectional detail,

taken online 3 of Fig. 1 looking inith ejdi'; rection of the arrow; Fig. 4 cross sectional detail, taken on lined of Fig. 1', showing'a;

part of the supporting mechanism as ina pears when constructed in accordance with Fig. 2 looking in the direction of the are" row; Fig. 8 a portion of't-he'side'of the car in elevation, wit-h one of 'theswinging'sectlons dropped to dumping "position; Fig. 9

a perspective viewof a portion'of an articu- I lat-ed operating rod and. connectlng ]OlI1t I Fig. 10 a similar view to that shown inFig.

-8, with two of the doors dropped to dump ing position; and Figs. '11 and l2'are a plan view in diagram and sectional elevation of the supporting. framework, showing the arrangement of longitudinal sills andcross sills and superstructure with the-side door opening of the car. 1 In illustrating and describing theseim provements I have only illustrated and will herein describe that which I consider to be new, taken in connection withso much as is old as isnecessary to disclose the invention to others and enable those skilled inthe' art to practise the same, leavingfout of consideration other and well known elements, which ifset forth herein, would'only tend" to confusion, prolixity and ambiguity.

In the art to which this invention relates;

it is well known that it is very desirable to provide a framework for a dump car of such construction and arrangement that material may be dumpedthi ough the transverse center of the bottomportion and 0pposite theordinary side door-openings. To

accomplish this I provide a supporting framework, having two pairs of longitudinal center sills a and b, arranged'in different" horizontal planes. On these longitudinal center sills and above the same is arrangedf'a plurality of short cross beams c, each provided with longer cross beams 03 extending the entire width of the car from side to side and braced by and secured to'the longitudi- These cross beams-both long and shortnal beams by means of the diagonal braces e.

are arranged so as to provide, as shown in Fig. 11, a central'dumping'space f between the same and at the transverse center of the car bottom, opposite'the usual side openings fall of which will be understood and appreciated by those skilled in the art.

Vertical posts 3 rest upon angle irons 2, the latter extending longitudinally of the carover the ends of the cross members d. The vertical posts are located over the ends of the cross members and the posts adjacent the center of the car form the side door posts.

In the arrangement of longitudinal beams above described, it becomes desirable to secure the-m together at their outer ends in such manner as to permit the desired draft rigging-not shownto be used and to transmit the stress and strainsincident to thestopping and starting of the car to all other port-ions of the supporting framework. For this pur ose the ends of each and all of these longitudinal sills are provided with metallic straps g, which are bolted thereto and to end sills h at each end of the car. These end sills are laid upon the upper outer ends of these longitudinal beams, directly on the sills a, and let .into the ends of sills b. By this arrangement it will be seen that the usual tenons are dispensed with and the structure simplified and made as strong, if not stronger, than the tenoned structures heretofore used.

As will be seen from the title of this application, this invention relates particularly to the providing of a dumpbox car of the drop bottom type. In order to; provide such drop bottom, a lurality of swinging sections 2' is provi ed, each one of which is formed'in the shape of a truss-that is, of an upper floor portion laid in a flat plane, lower metallic portions 9', and interposed struts 7:, all secured together in such a manner as to effectively resist the ordinary strains to which such cars are subjected. These swinging sections areeach pivoted at their inner edges to the supporting framework of the car at each side of the longitudinal center, so as to permit them to drop to open or dumping positions, as shown in the drawings. It is very desirable to provide means by which these doors may be dropped to open position independently, or one at a time in a successive manner, so that as much or as little of the contents may be discharged asidesired, and when desired. To accomplish this the free edges of each of the swinging doors are provided with a plurality of latches or pivoted hooks-Z, and an articulated jointed operating rod, formed of a plurality of independently movable scctions at, m and m connected together by means of box joints or, is provided at each side of the car and mountedin suitable bearingbrackets 7). Loosely arranged upon this articulated jointed rod is a plurality of bars and the edges of such bars are in engagement with the bearing brackets p. In

order to open the same, a main lever s is provided and pivoted to the framework of the car by means of a rodiconnected with the first section m of the operating rod. An outward movement of this lever moves the first section of the operating rod until the clips which hold the first set of locking bars in position drop into grooves or notches a in the operating rod. A further movement of this section of the operating rod ulls the locking bar out of engagement witi its bearing bracket 1) and permits the door to drop into open position, as shown in Figs. 8 and 10 and to the right of Fig. 3.

It will be noticed that the articulated op erating'rod is made in sections, and that a box joint is provided which is fixed to one section by means of rivets or other desired mechanism, and has a sliding engagement with the second section by means of a pin '0 in the box'and a slot w in the end of the next section ofthe operating rod-all of which permits the first swinging dumping section to be opened before the next succeeding section of the rod is operated. The continued movement of the mam lever operates the second section m? of the articulated rod and liberates its locking bar, as described in connection with the first section, which permits the second swinging section of the drop bottom to open. If it be desired to open the next swinging section of the drop bottom, the main lever is pulled still farther outward-all of which operates the third section m oi? the operating rod until its pivoted locking bars are unlocked, and so on to the end of the car, until all of the swing ing, dumping sections, which go to form the drop bottom, are opened.

I claim:

1. In a. car of the class described, a series of dumping doors with respective latches therefor, and latch-supporting bars connected in series by lost motion joints.

2. In a car of the class desc.ibed, a series of dumping doors with latches for each door, a series of latch supporting bars, means connecting successive bars permitting limited movement of one of them without moving the others.

3. In a car of the class described, a series of dumping doors with latches for each door, a series of latch supporting bars, and joints for. said bars, each joint consisting of a pin on one bar and a co-acting slot on another bar.

4.. In acar of the class described, a series of dumping doors with latches for each door, and a series of latch supporting members with joints between successive members, each joint being so constructed as to permit limited movement of any member in either direction Without movement of an adjacent member.

5. In a car of the class described, a series of dumping doors with respective latches therefor, latch supporting bars connected in series by lost motion'joints, and means connected to a terminal bar for operating said bars.

6. In a dump car of the class described, the combination of a su porting framework, a dumping bottom portlon formed of a plurality of swinging sections made in the shape of a truss composed of upper flat floor portions, lower metallic port-ions and interposed struts, substantially as described. 7. In a dump car of the class described, a supporting frame portion provided with two pairs of longitudinal sills centrally arranged and extending lengthwise of the car in different horizontal planes, metallic straps passed around the exposed forward ends andunder sides of each of said longitudinal sills and bolted thereto, and end sills arranged on the upper ends of said longitudinal sills and bolted thereto and to said metallic straps, substantially as described. Y

8. In a dump car of the class described, the combination of a plurality of longitudi nal sills centrally arranged, a plurality 0 short cross beams arranged on and secured to said longitudinal sills, a plurality of long cross beams-one for each short cro'ssbeam laid thereon and secured thereto, and diagonal braces secured to the long cross beams a d the longitudinal sills, substan tially as described.

SPENCER OTIS. Witnesses HARRY I. CROMER, ANNIE COURTENAY.

Copies of this patent maybe obtained for five cents each, by addressing the Commissioner of latents,

Washington. D. G. 

